DN15- DN150 (1/2"  -6")
  一片式全流法兰球阀 FULL PORT ONE-PIECE BALL VALVE FLANGE END 防爆中轴/全流BLOW-OUT PROOF STEM/ FULL PORT 带IS05211平台IS0 5211 MOUNTING DEVICE 适用温度范围TEMPERATURE RANGE: -20 to 180℃ 法兰尺寸参照FLANGE DIMENSIONS:     EN 1092-1 PN16     ANSI B16.5 CLASS 150 检查测试TEST:EN-12266-1     API-59811 |   
 | 
   
 
 |